| Pathway | #Steps | #Present | #Specific |
|---|
| L-cysteine degradation II | 3 | 3 | 3 |
| betanidin degradation | 1 | 1 | 1 |
| long-chain fatty acid activation | 1 | 1 | 1 |
| L-serine degradation | 3 | 3 | 2 |
| L-tryptophan degradation II (via pyruvate) | 3 | 2 | 2 |
| L-methionine degradation II | 3 | 2 | 2 |
| D-serine degradation | 3 | 2 | 2 |
| L-cysteine biosynthesis III (from L-homocysteine) | 2 | 2 | 1 |
| NAD biosynthesis from nicotinamide | 2 | 2 | 1 |
| superoxide radicals degradation | 2 | 2 | 1 |
| isoniazid activation | 2 | 2 | 1 |
| L-threonine biosynthesis | 2 | 2 | 1 |
| L-methionine biosynthesis II | 6 | 5 | 3 |
| homocysteine and cysteine interconversion | 4 | 3 | 2 |
| methanol oxidation to formaldehyde IV | 2 | 1 | 1 |
| acetoacetate degradation (to acetyl CoA) | 2 | 1 | 1 |
| baicalein degradation (hydrogen peroxide detoxification) | 2 | 1 | 1 |
| linoleate biosynthesis II (animals) | 2 | 1 | 1 |
| γ-linolenate biosynthesis II (animals) | 2 | 1 | 1 |
| D-galacturonate degradation I | 5 | 5 | 2 |
| 5,6-dehydrokavain biosynthesis (engineered) | 10 | 6 | 4 |
| felinine and 3-methyl-3-sulfanylbutan-1-ol biosynthesis | 5 | 2 | 2 |
| ethanol degradation IV | 3 | 3 | 1 |
| ketolysis | 3 | 3 | 1 |
| benzoyl-CoA biosynthesis | 3 | 3 | 1 |
| superpathway of L-cysteine biosynthesis (fungi) | 6 | 5 | 2 |
| stearate biosynthesis II (bacteria and plants) | 6 | 5 | 2 |
| stearate biosynthesis IV | 6 | 4 | 2 |
| fatty acid salvage | 6 | 4 | 2 |
| oleate biosynthesis I (plants) | 3 | 2 | 1 |
| L-threonine degradation I | 6 | 3 | 2 |
| 3-methyl-branched fatty acid α-oxidation | 6 | 3 | 2 |
| alkane biosynthesis II | 3 | 1 | 1 |
| polyhydroxybutanoate biosynthesis | 3 | 1 | 1 |
| palmitate biosynthesis II (type II fatty acid synthase) | 31 | 29 | 9 |
| L-isoleucine biosynthesis I (from threonine) | 7 | 7 | 2 |
| glycine betaine degradation III | 7 | 4 | 2 |
| superpathway of fatty acid biosynthesis II (plant) | 43 | 39 | 12 |
| palmitate biosynthesis III | 29 | 28 | 8 |
| superpathway of L-lysine, L-threonine and L-methionine biosynthesis II | 15 | 13 | 4 |
| oleate β-oxidation | 35 | 23 | 9 |
| octanoyl-[acyl-carrier protein] biosynthesis (mitochondria, yeast) | 12 | 12 | 3 |
| reactive oxygen species degradation | 4 | 4 | 1 |
| gondoate biosynthesis (anaerobic) | 4 | 4 | 1 |
| luteolin triglucuronide degradation | 4 | 3 | 1 |
| phytol degradation | 4 | 3 | 1 |
| glycine betaine degradation I | 8 | 4 | 2 |
| L-mimosine degradation | 8 | 4 | 2 |
| (2S)-ethylmalonyl-CoA biosynthesis | 4 | 2 | 1 |
| glutathione-mediated detoxification I | 8 | 3 | 2 |
| long chain fatty acid ester synthesis (engineered) | 4 | 1 | 1 |
| wax esters biosynthesis II | 4 | 1 | 1 |
| xanthommatin biosynthesis | 4 | 1 | 1 |
| phosphatidylcholine acyl editing | 4 | 1 | 1 |
| superpathway of fatty acids biosynthesis (E. coli) | 53 | 48 | 13 |
| tetradecanoate biosynthesis (mitochondria) | 25 | 23 | 6 |
| superpathway of L-isoleucine biosynthesis I | 13 | 13 | 3 |
| palmitoleate biosynthesis I (from (5Z)-dodec-5-enoate) | 9 | 8 | 2 |
| valproate β-oxidation | 9 | 5 | 2 |
| sporopollenin precursors biosynthesis | 18 | 4 | 4 |
| oleate biosynthesis IV (anaerobic) | 14 | 13 | 3 |
| 2-methyl-branched fatty acid β-oxidation | 14 | 8 | 3 |
| superpathway of hexuronide and hexuronate degradation | 10 | 10 | 2 |
| fatty acid elongation -- saturated | 5 | 5 | 1 |
| superpathway of sulfur amino acid biosynthesis (Saccharomyces cerevisiae) | 10 | 9 | 2 |
| superpathway of unsaturated fatty acids biosynthesis (E. coli) | 20 | 17 | 4 |
| cis-vaccenate biosynthesis | 5 | 4 | 1 |
| superpathway of L-cysteine biosynthesis (mammalian) | 5 | 4 | 1 |
| 8-amino-7-oxononanoate biosynthesis IV | 5 | 4 | 1 |
| fatty acid β-oxidation II (plant peroxisome) | 5 | 3 | 1 |
| ketogenesis | 5 | 3 | 1 |
| L-methionine biosynthesis I | 5 | 3 | 1 |
| glutaryl-CoA degradation | 5 | 3 | 1 |
| sphingosine and sphingosine-1-phosphate metabolism | 10 | 4 | 2 |
| 4-hydroxybenzoate biosynthesis III (plants) | 5 | 2 | 1 |
| octane oxidation | 5 | 2 | 1 |
| (R)- and (S)-3-hydroxybutanoate biosynthesis (engineered) | 5 | 2 | 1 |
| 9-cis, 11-trans-octadecadienoyl-CoA degradation (isomerase-dependent, yeast) | 10 | 2 | 2 |
| pyruvate fermentation to acetone | 5 | 1 | 1 |
| fatty acid β-oxidation VII (yeast peroxisome) | 5 | 1 | 1 |
| ethylbenzene degradation (anaerobic) | 5 | 1 | 1 |
| isopropanol biosynthesis (engineered) | 5 | 1 | 1 |
| 8-amino-7-oxononanoate biosynthesis I | 11 | 9 | 2 |
| pyruvate fermentation to hexanol (engineered) | 11 | 7 | 2 |
| even iso-branched-chain fatty acid biosynthesis | 34 | 30 | 6 |
| anteiso-branched-chain fatty acid biosynthesis | 34 | 30 | 6 |
| odd iso-branched-chain fatty acid biosynthesis | 34 | 30 | 6 |
| superpathway of L-threonine biosynthesis | 6 | 6 | 1 |
| (5Z)-dodecenoate biosynthesis I | 6 | 5 | 1 |
| L-isoleucine degradation I | 6 | 4 | 1 |
| hydrogen sulfide biosynthesis II (mammalian) | 6 | 4 | 1 |
| pyruvate fermentation to butanol II (engineered) | 6 | 4 | 1 |
| (5Z)-dodecenoate biosynthesis II | 6 | 4 | 1 |
| propanoate fermentation to 2-methylbutanoate | 6 | 3 | 1 |
| petroselinate biosynthesis | 6 | 2 | 1 |
| 6-gingerol analog biosynthesis (engineered) | 6 | 2 | 1 |
| 4-ethylphenol degradation (anaerobic) | 6 | 1 | 1 |
| stearate biosynthesis I (animals) | 6 | 1 | 1 |
| 10-trans-heptadecenoyl-CoA degradation (MFE-dependent, yeast) | 6 | 1 | 1 |
| jasmonic acid biosynthesis | 19 | 4 | 3 |
| streptorubin B biosynthesis | 34 | 20 | 5 |
| fatty acid β-oxidation I (generic) | 7 | 3 | 1 |
| L-cysteine biosynthesis VI (reverse transsulfuration) | 7 | 3 | 1 |
| pyruvate fermentation to butanoate | 7 | 3 | 1 |
| fatty acid β-oxidation VI (mammalian peroxisome) | 7 | 3 | 1 |
| ceramide degradation by α-oxidation | 7 | 2 | 1 |
| acetyl-CoA fermentation to butanoate | 7 | 2 | 1 |
| hypoglycin biosynthesis | 14 | 3 | 2 |
| icosapentaenoate biosynthesis III (8-desaturase, mammals) | 7 | 1 | 1 |
| icosapentaenoate biosynthesis II (6-desaturase, mammals) | 7 | 1 | 1 |
| mevalonate pathway II (haloarchaea) | 7 | 1 | 1 |
| arachidonate biosynthesis III (6-desaturase, mammals) | 7 | 1 | 1 |
| mevalonate pathway I (eukaryotes and bacteria) | 7 | 1 | 1 |
| capsaicin biosynthesis | 7 | 1 | 1 |
| biotin biosynthesis I | 15 | 13 | 2 |
| superpathway of fatty acid biosynthesis I (E. coli) | 16 | 14 | 2 |
| superpathway of L-homoserine and L-methionine biosynthesis | 8 | 6 | 1 |
| pyruvate fermentation to butanol I | 8 | 4 | 1 |
| ceramide and sphingolipid recycling and degradation (yeast) | 16 | 4 | 2 |
| 2-allylmalonyl-CoA biosynthesis | 8 | 2 | 1 |
| 2-methylpropene degradation | 8 | 2 | 1 |
| sesamin biosynthesis | 8 | 1 | 1 |
| 2-deoxy-D-ribose degradation II | 8 | 1 | 1 |
| mevalonate pathway III (Thermoplasma) | 8 | 1 | 1 |
| mevalonate pathway IV (archaea) | 8 | 1 | 1 |
| isoprene biosynthesis II (engineered) | 8 | 1 | 1 |
| androstenedione degradation I (aerobic) | 25 | 6 | 3 |
| superpathway of branched chain amino acid biosynthesis | 17 | 17 | 2 |
| superpathway of L-lysine, L-threonine and L-methionine biosynthesis I | 18 | 14 | 2 |
| superpathway of S-adenosyl-L-methionine biosynthesis | 9 | 7 | 1 |
| superpathway of L-methionine biosynthesis (transsulfuration) | 9 | 7 | 1 |
| superpathway of L-threonine metabolism | 18 | 11 | 2 |
| benzoate biosynthesis I (CoA-dependent, β-oxidative) | 9 | 3 | 1 |
| superpathway of Clostridium acetobutylicum acidogenic fermentation | 9 | 3 | 1 |
| 4-oxopentanoate degradation | 9 | 1 | 1 |
| superpathway of testosterone and androsterone degradation | 28 | 6 | 3 |
| L-glutamate degradation V (via hydroxyglutarate) | 10 | 4 | 1 |
| superpathway of geranylgeranyldiphosphate biosynthesis I (via mevalonate) | 10 | 4 | 1 |
| 3-phenylpropanoate degradation | 10 | 3 | 1 |
| methyl tert-butyl ether degradation | 10 | 2 | 1 |
| suberin monomers biosynthesis | 20 | 2 | 2 |
| matairesinol biosynthesis | 10 | 1 | 1 |
| L-lysine fermentation to acetate and butanoate | 10 | 1 | 1 |
| justicidin B biosynthesis | 10 | 1 | 1 |
| superpathway of cholesterol degradation I (cholesterol oxidase) | 42 | 8 | 4 |
| (8E,10E)-dodeca-8,10-dienol biosynthesis | 11 | 5 | 1 |
| ethylmalonyl-CoA pathway | 11 | 3 | 1 |
| superpathway of cholesterol degradation II (cholesterol dehydrogenase) | 47 | 8 | 4 |
| purine nucleobases degradation II (anaerobic) | 24 | 10 | 2 |
| L-glutamate degradation VII (to butanoate) | 12 | 3 | 1 |
| 10-trans-heptadecenoyl-CoA degradation (reductase-dependent, yeast) | 12 | 1 | 1 |
| 10-cis-heptadecenoyl-CoA degradation (yeast) | 12 | 1 | 1 |
| aspartate superpathway | 25 | 21 | 2 |
| superpathway of Clostridium acetobutylicum solventogenic fermentation | 13 | 5 | 1 |
| (4Z,7Z,10Z,13Z,16Z)-docosapentaenoate biosynthesis (6-desaturase) | 13 | 2 | 1 |
| androstenedione degradation II (anaerobic) | 27 | 4 | 2 |
| superpathway of glyoxylate cycle and fatty acid degradation | 14 | 8 | 1 |
| docosahexaenoate biosynthesis III (6-desaturase, mammals) | 14 | 2 | 1 |
| L-tryptophan degradation III (eukaryotic) | 15 | 5 | 1 |
| superpathway of microbial D-galacturonate and D-glucuronate degradation | 31 | 13 | 2 |
| glycerol degradation to butanol | 16 | 10 | 1 |
| superpathway of L-methionine salvage and degradation | 16 | 9 | 1 |
| crotonate fermentation (to acetate and cyclohexane carboxylate) | 16 | 3 | 1 |
| cutin biosynthesis | 16 | 1 | 1 |
| superpathway of Clostridium acetobutylicum acidogenic and solventogenic fermentation | 17 | 5 | 1 |
| benzoate fermentation (to acetate and cyclohexane carboxylate) | 17 | 3 | 1 |
| cholesterol degradation to androstenedione I (cholesterol oxidase) | 17 | 2 | 1 |
| 3-hydroxypropanoate/4-hydroxybutanate cycle | 18 | 11 | 1 |
| toluene degradation VI (anaerobic) | 18 | 3 | 1 |
| sitosterol degradation to androstenedione | 18 | 1 | 1 |
| cholesterol degradation to androstenedione II (cholesterol dehydrogenase) | 22 | 2 | 1 |
| superpathway of cholesterol degradation III (oxidase) | 49 | 4 | 2 |
| photosynthetic 3-hydroxybutanoate biosynthesis (engineered) | 26 | 16 | 1 |
| platensimycin biosynthesis | 26 | 6 | 1 |
| superpathway of ergosterol biosynthesis I | 26 | 3 | 1 |
| 1-butanol autotrophic biosynthesis (engineered) | 27 | 18 | 1 |
| superpathway of cholesterol biosynthesis | 38 | 3 | 1 |
| mycolate biosynthesis | 205 | 18 | 5 |
| superpathway of L-lysine degradation | 43 | 6 | 1 |
| superpathway of mycolate biosynthesis | 239 | 19 | 5 |
| Methanobacterium thermoautotrophicum biosynthetic metabolism | 56 | 19 | 1 |